Add Yahoo as a preferred source to see more of our stories on Google. Hippos will kill other animals, like crocodiles, that enter their territory, especially when protecting babies. Hippos and whales ...

Are hippos dangerous? Hippos hold a common perception of a cute and bubbly demeanor, but that is quite a far cry from the truth. Although their rounded features and cute babies may seem so inviting, ...

While some species of non-human primates produce technologies that assist in foraging, humans are uniquely dependent on technology for survival. How far back in time does this technological dependency ...